How update database qpr 8.1 to qpr 2015.1

How update database qpr 8.1 to qpr 2015.1

02.06.2016 - 23:31

Hi,

my problem is trying to update QPR 8.1 to qpr2015 with the wizard I get a permissions problem and conflict in constrain . I would like to know how to solve this problem or if I could provide a script to update the database with changes in the new database that uses qpr2015.1